package info.fluxprojects.euler.problems;

import info.fluxprojects.euler.util.EulerProblem;

/**
 * Project Euler problem 001
 * <p/>
 * If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9.
 * The sum of these multiples is 23.
 * <p/>
 * Find the sum of all the multiples of 3 or 5 below 1000.
 */
public class Problem001 implements EulerProblem {

    @Override
    public Number getSolution() {
        int sum = 0;
        for (int i = 1; i < 1000; i++) {
            if (i % 3 == 0 || i % 5 == 0) {
                sum += i;
            }
        }
        return sum;
    }

}
